Mark and Austin encounter a man with multiple stab wounds who refuses treatment; Jerry and Pierre's car chase evolves into a foot race when the armed suspect they are pursuing ditches his vehicle.

Revisiting notable moments experienced by New Orleans police officers, firefighters and emergency medical service workers profiled in the series "Nightwatch"; includes never-before-seen footage and updates.

The EMT team must band together to treat multiple major vehicle accidents, patients losing consciousness, and face breathing and heart ailments; a woman has been assaulted by her significant other.

Fire Department and Emergency Medical Service workers encounter unnerving cases on the night shift.

Mark and Austin encounter a man with multiple stab wounds who refuses treatment; Jerry and Pierre's car chase evolves into a foot race when the armed suspect they are pursuing ditches his vehicle.

Police officer Justin joins the SWAT team in a raid; the first responders treat an accident victim with amnesia and a woman who fell off a roof; Arkady bonds with a man who attempted suicide.

The team faces a slew of dramatic nightshift calls including a pregnant woman who has been assaulted, a 4-year-old boy with abdominal pain, a gunshot victim, and a potentially devastating car accident involving the St. Charles trolley.

Jacuzzi Bath Remodel and interior designer Christina Haack share how to transform your bathroom into a gorgeous, safe, stylish space in as little as one day. Call now for a FREE quote-plus FREE fixtures and a FREE shower door.

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Jacuzzi Bath Remodel and interior designer Christina Haack share how to transform your bathroom into a gorgeous, safe, stylish space in as little as one day. Call now for a FREE quote-plus FREE fixtures and a FREE shower door.

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On June 12, 2016, Omar Mateen kills 49 people in an Orlando nightclub; Omar's first wife, Sitora Yusufiy, meets a man whose brother was killed in the nightclub attack.

Richard Beasley's daughter Tonya lives with the guilt of teaching her father how to post ads on Craigslist; Tonya meets a man whose father was one of Beasley's four victims.

John Wayne Gacy's sister reveals intimate details of the killer, and returns to her childhood home in Chicago with her daughter.

Richard Ramirez's ex-sister-in-law and niece come to terms with the evil that existed in their family and meet a survivor of one of Richard's attacks.

Melissa Moore, daughter of Keith Hunter Jesperson, tells her story as the daughter of a serial killer; Melissa meets a family member of one of her father's victims.

Randy Hausner reveals how his brother terrorized the city of Phoenix in a killing spree; Randy meets with a shooting survivor and with the son of a man killed by his brother.

Mildred Muhammad, ex-wife of the infamous DC Sniper, reveals how the man she loved disintegrated into a monster; Melissa Moore interviews Lee Boyd Malvo in prison.

A woman discusses how her childhood sweetheart turned into a murdering rapist; being a child of a serial killer.

Drew Peterson's eldest son Stephen shares memories about his father; Stephen reaches out to his former step-mother's sister to offer his condolences for his father's heinous actions.

Amber and Michelle Yates discuss being raised by a man who terrorized the city of Spokane, Wash.; in an effort to find healing, the Yates sisters meet with the sister of one of their father's victims.

Morgan Rowan describes how she was brutally attacked in 1968 by Rodney Alcala during a party at his Hollywood home; three weeks later, Alcala would abduct and attack 8-year-old Tali Shapiro, who describes her chilling assault in her own words.

Cynthia Vigil recounts her incredible act of survival and strength and describes how she put an end to the horror brought on by the Toy Box Killer.

In 1989, 21-year-old Lyle and 18-year-old Erik Menendez walk into their parents' den and kill them; Erik shares details of the events of the week leading up to the murders and the motive behind the crime.

The trial takes a shocking turn when the defense claims Erik and Lyle Menendez killed their parents after years of sexual abuse; Erik gives his account of growing up in a "house of horrors."

Erik recalls his mother's decline in the years leading up to the murders and looks on in agony as his brother Lyle testifies, vividly describing the abuse at the hands of their father.

The first trial ends in a surprise verdict; Erik discusses the preparation for his second trial, his unlikely connection with O.J. Simpson, and why he alone speaks for both the brothers as a second jury weighs a sentence of life in prison or death.

The verdict arrives; Erik and his brother, Lyle, are sent to separate prisons; Erik marries and begins to mount an appeal.

The trial takes a shocking turn when the defense claims Erik and Lyle Menendez killed their parents after years of sexual abuse; Erik gives his account of growing up in a "house of horrors."

Erik recalls his mother's decline in the years leading up to the murders and looks on in agony as his brother Lyle testifies, vividly describing the abuse at the hands of their father.

The first trial ends in a surprise verdict; Erik discusses the preparation for his second trial, his unlikely connection with O.J. Simpson, and why he alone speaks for both the brothers as a second jury weighs a sentence of life in prison or death.

The verdict arrives; Erik and his brother, Lyle, are sent to separate prisons; Erik marries and begins to mount an appeal.

Morgan Rowan describes how she was brutally attacked in 1968 by Rodney Alcala during a party at his Hollywood home; three weeks later, Alcala would abduct and attack 8-year-old Tali Shapiro, who describes her chilling assault in her own words.

Cynthia Vigil recounts her incredible act of survival and strength and describes how she put an end to the horror brought on by the Toy Box Killer.

In 1989, 21-year-old Lyle and 18-year-old Erik Menendez walk into their parents' den and kill them; Erik shares details of the events of the week leading up to the murders and the motive behind the crime.

Every 5 seconds there's a victim of identity theft. LifeLock helps alert you, restore your identity, and reimburse lost funds-leading the way in protecting families every day.

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Jacuzzi Bath Remodel and interior designer Christina Haack share how to transform your bathroom into a gorgeous, safe, stylish space in as little as one day. Call now for a FREE quote-plus FREE fixtures and a FREE shower door.

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Johnny Eng, one of the most notorious drug traffickers in the history of Manhattan's Chinatown.

From a prison cell, Felipe founded the New York chapter of the Latin Kings street gang; Felipe's own writings would incriminate him.

Christopher Coke used his criminal wealth and prosperity to win the hearts of his community and influence their political affiliations.

Barry Mills found his calling as the leader of the white supremacist prison gang the Aryan Brotherhood.

Joey Gallo rises from the slums of Brooklyn to take on the biggest mafia dons of the 1950s and 1960s.

A group of ruthless Irish punks called the "Westies" terrorize Hell's Kitchen in New York City in the the 1970s.

"Mad Sam" DeStefano had a three-decade reign as a juice loan lender and sadistic enforcer with the notorious Chicago Outfit.

Heroin kingpin Leroy "Nicky" Barnes turns government informant, destroying the drug trafficking empire he took so long to build.

As leader of Murder, Inc., Albert Anastasia became one of the most vicious and feared mob bosses of the twentieth century.

"Big Paul" Castellano serves as a boss of the Gambino crime family during the '70s and '80s, overseeing rackets in construction, pornography and more.

Two New York City cops Louis Eppolito and Stephen Caracappa were secretly working as hired guns for the Mafia.

James "Whitey" Bulger reigned supreme in the Boston underworld for over 20 years, consolidating his power by ratting out rivals to the FBI.

In the 1970s in Colombia, a petty thief rises to become the most powerful criminal in history, unleashing a bloody reign of terror to create the first global drug cartel and become the first billionaire kingpin of the 20th century.

In 1980s New York, two opposing factions of the American Mafia split the Gambino crime family down the middle; the old school and the new school struggle against one another; one murderous capo emerges as the Boss of Bosses.

In the 1970s in Colombia, a petty thief rises to become the most powerful criminal in history, unleashing a bloody reign of terror to create the first global drug cartel and become the first billionaire kingpin of the 20th century.

In 1980s New York, two opposing factions of the American Mafia split the Gambino crime family down the middle; the old school and the new school struggle against one another; one murderous capo emerges as the Boss of Bosses.

Two New York City cops Louis Eppolito and Stephen Caracappa were secretly working as hired guns for the Mafia.

James "Whitey" Bulger reigned supreme in the Boston underworld for over 20 years, consolidating his power by ratting out rivals to the FBI.

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Every five seconds there's a victim of identity theft; LifeLock helps alert, restore identity, and reimburse lost funds-leading the way in protecting families every day.

Join John Walsh as he takes you on a captivating exploration of OmegaXL, a game-changing supplement that fights joint pain. Uncover the science and stories behind this powerful product, and find out how it can help you reclaim your life.

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Two women fight for their lives when an attacker ambushes them on a mountain trail; two men survive 14 hours adrift at sea.

A store manager is savagely attacked by robbers; a former Marine is stranded on a mountain in a blizzard; a woman is kidnapped at gunpoint by her boyfriend.

A young woman and her friend are shot execution style; two strangers are caught in a deadly train collision; a young girl escapes her abductors only to be assaulted my another man.

A soldier tries to kill another soldier; a hunter in the mountains; killer still in the house.

A gas scare occurs in the women's pod; a football kitty goes missing in 500, prompting a gang fight; a new inmate in 600 tests Matt.

Jaclin receives a target on her back when she attempts to help Stephanie switch rooms; Emmanuel finds trouble when he tries to break up a fight; a rumor about Andrew's sexuality puts him in harm's way.

Two participants struggle with the decision to leave the program early, while the others attempt to keep their wits as they finish the back half of their time in the Fulton County Jail.

Matt wrestles with the most devastating moment of his life; Alan gets a mysterious new cellmate; the inmates throw an unforgettable birthday party for Angele.

After an emotional breakdown, one participant is not sure he can continue in the program; he expands his meth investigation.

A participant gets removed from the program after intentionally breaking their cover with an inmate; Stephanie fears that Gabrielle will not keep a secret; Alan tries to buy meth.

Col. Adger races the clock to safely remove all the participants from the Fulton County Jail.

Newly elected sheriff Mark Lamb sends six volunteers into the Pinal County Detention Center on a mission to uncover valuable intelligence about the gangs, drugs and operational issues that plague his facility.

With three participants in the jail and two more on their way in, Sheriff Lamb's mission-based program is off to the races.

With all seven participants embedded in the facility, some struggle to maintain their distance from one another; one participant threatens to bring the whole program to an abrupt end.

As the participants begin to focus on their missions, some find early success while others are met with immediate interference; Sheriff Lamb is forced to make a tough decision.

The participants are tested by thieves and the racial politics of jail, forcing them to become either targets and victims, or threats and aggressors.

With three participants in the jail and two more on their way in, Sheriff Lamb's mission-based program is off to the races.

With all seven participants embedded in the facility, some struggle to maintain their distance from one another; one participant threatens to bring the whole program to an abrupt end.

As the participants begin to focus on their missions, some find early success while others are met with immediate interference; Sheriff Lamb is forced to make a tough decision.

The participants are tested by thieves and the racial politics of jail, forcing them to become either targets and victims, or threats and aggressors.

Col. Adger races the clock to safely remove all the participants from the Fulton County Jail.

Newly elected sheriff Mark Lamb sends six volunteers into the Pinal County Detention Center on a mission to uncover valuable intelligence about the gangs, drugs and operational issues that plague his facility.

Discover the hidden story of OmegaXL with John Walsh. He dives deep into the groundbreaking supplement that promises hope and relief for millions battling joint pain and inflammation.

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Every five seconds there's a victim of identity theft; LifeLock helps alert, restore identity, and reimburse lost funds-leading the way in protecting families every day.

A pregnant woman is attacked by a woman who wants her baby; a couple must cling to the rafters of their home during Hurricane Ike; a woman fends off an attacker.

A home invasion leaves a man fighting for his life; a boat capsizes; a woman faces a terrifying death locked in the trunk of her car.

A missionary working in Haiti is shot and held for ransom by a gang; a man goes into a flooding underground cavity to rescue two co-workers; a man viciously assaults his wife.

Masked gunmen threaten to kill a woman's daughter if she doesn't rob the bank vault where she works; two teens in a sailboat are swept out to sea for six days.

A fugitive escapes a massive drug sting in Puerto Rico, possibly fleeing to New York.

A repeat sex offender is on the run from the task force.

The team joins forces with the Puerto Rico Task Force to apprehend a high-ranking member of the Latin Kings gang, who is wanted for kidnapping and shooting a man.

A criminal is accused of molesting his niece after a family gathering.

Deputy U.S. Marshal Michelle Mendez searches for two friends from the South Bronx who have been on a crime spree that seems to be progressively more violent.

A parolee on the Most Wanted List must be caught before he raises the stakes.

Commander DePaul and Deputy Mendez search for an alleged gang member who escaped from custody.

The Marshals follow a couple, wanted in connection to an attempted murder, to Amish country.

A deputy must catch a criminal with nine children a second time.

Commander Lenny DePaul launches an intense search for a sex offender wanted for larceny and violating his parole.

An armed robber hides in his hometown of Syracuse, N.Y.

A violent escapee convicted of manslaughter may be suicidal.

Detective Baynes investigates the mysterious death of a man that had internal bleeding from a bullet wound.

A young man is gunned down in broad daylight in the parking lot of a local car wash.

Investigators race against time to identify a murder suspect.

Police find a body riddled with bullet holes when a van crashes in front of a house; fingerprints and witness testimony lead investigators deep into the victim's inner circle.

A quiet neighborhood becomes a war zone when a gun battle breaks out during the night; detectives find a young father of two lying dead in his bedroom.

Four masked men invade a Cleveland home and rob the inhabitants at gunpoint; one of the intruders is shot to death; police try to determine if the man was shot by one of the homeowners, or by one of his accomplices.

Investigators race against time to identify a murder suspect.

Police find a body riddled with bullet holes when a van crashes in front of a house; fingerprints and witness testimony lead investigators deep into the victim's inner circle.

A quiet neighborhood becomes a war zone when a gun battle breaks out during the night; detectives find a young father of two lying dead in his bedroom.

Four masked men invade a Cleveland home and rob the inhabitants at gunpoint; one of the intruders is shot to death; police try to determine if the man was shot by one of the homeowners, or by one of his accomplices.

Detective Baynes investigates the mysterious death of a man that had internal bleeding from a bullet wound.

A young man is gunned down in broad daylight in the parking lot of a local car wash.

Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

Every five seconds there's a victim of identity theft; LifeLock helps alert, restore identity, and reimburse lost funds-leading the way in protecting families every day.

Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

Discover the hidden story of OmegaXL with John Walsh. He dives deep into the groundbreaking supplement that promises hope and relief for millions battling joint pain and inflammation.

A woman is abducted by another woman who tries to steal her unborn baby; a geologist is attacked by a bear; a woman is shot and held hostage.

A single mom is attacked by an old classmate after spurning his affections; a gold prospector survives five days in the Australian Outback; a woman is left for dead after being shot in a carjacking.

A woman is raped, shot three times and left for dead; a man is caught in a blizzard that threatens to bury him alive; two boys survive a plane crash.

A woman plays dead to escape her abductor; an endurance athlete falls 60 feet in a remote canyon; a couple risk their lives to protect their children.

When 31-year-old real estate appraiser Mike Williams mysteriously vanishes while duck hunting in the Florida swamps in December of 2000, authorities suspect he accidentally drowned.

Landlord Bruce Blackwood disappears without a trace in March 2006; though there is no body, the NYPD is sure this is a homicide and they, along with Bruce's brother Ed, spend the next nine years searching for answers and a killer.

A fire in January 2007 claims the life of WWII vet Bennie Angelo; a closer look at the crime scene reveals Bennie was dead before the fire, bumping an arson case up to homicide.

After 33 years, police finally unravel the case of a law-enforcement officer who was shot execution-style in his home.

When 13-year-old Jennifer Bastian is abducted and murdered in August 1986, residents of Tacoma, Wash., panic; convinced a predator is on the loose, police embark on a 32-year inquiry to catch the killer.

Near what's known as the hanging tree, the mutilated body of Timothy Coggins is found in late 1983; the investigation is thwarted and the case freezes for over 30 years, until a newly elected sheriff vows to bring the killers to justice.

Two unsolved murders of loved ones plague a family; detectives uncover a hidden crime scene that may help solve the 13-year-old cold case.

When a beloved schoolteacher is found murdered in her Neptune, N.J., apartment in the fall of 2009, suspicion is cast on her soon-to-be ex-husband.

Two masked gunmen commit a violent robbery and shoot Michael Temple Jr., rendering him a quadriplegic for five years before his death; in this unusual cold case, DNA from a knife is used to create a sketch of the killer.

When 8-year-old April Tinsley is found dead in a Fort Wayne, Ind., the community is shaken; disturbing letters then appear, penned by her killer, targeting other young girls; police scramble to catch April's murderer before he strikes again.

When 9-year-old Campfire Girl, Candy Rogers, turns up dead after selling mints door-to-door; spokane detectives launch a dogged campaign to find her killer; one of the longest Cold Case investigations in Washington State history.

When human bones are discovered in the woods in December 1985, it puts an end to the search for missing teen David Reed; skull fractures point to murder, but it will be decades before investigators can find David's killer.

Two masked gunmen commit a violent robbery and shoot Michael Temple Jr., rendering him a quadriplegic for five years before his death; in this unusual cold case, DNA from a knife is used to create a sketch of the killer.

When 8-year-old April Tinsley is found dead in a Fort Wayne, Ind., the community is shaken; disturbing letters then appear, penned by her killer, targeting other young girls; police scramble to catch April's murderer before he strikes again.

When 9-year-old Campfire Girl, Candy Rogers, turns up dead after selling mints door-to-door; spokane detectives launch a dogged campaign to find her killer; one of the longest Cold Case investigations in Washington State history.

When human bones are discovered in the woods in December 1985, it puts an end to the search for missing teen David Reed; skull fractures point to murder, but it will be decades before investigators can find David's killer.

Two unsolved murders of loved ones plague a family; detectives uncover a hidden crime scene that may help solve the 13-year-old cold case.

When a beloved schoolteacher is found murdered in her Neptune, N.J., apartment in the fall of 2009, suspicion is cast on her soon-to-be ex-husband.

Every five seconds there's a victim of identity theft; LifeLock helps alert, restore identity, and reimburse lost funds-leading the way in protecting families every day.

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Discover the hidden story of OmegaXL with John Walsh. He dives deep into the groundbreaking supplement that promises hope and relief for millions battling joint pain and inflammation.

Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

A store manager and his staff are shot by two killers; a young man has both his arms torn off in an accident; a young girl is kidnapped by a serial killer.

Danielle is shot point blank in the head by a 14 year old boy; Amy falls 60 feet into a rocky ravine; Mark is attacked with a knife on his boat.

A couple wake up to find their home surrounded by a cloud of chlorine gas; a couple are beaten by a mugger; a woman is attacked and left for dead.

A hitchhiker turns on the two girls who pick him up; three men are stranded on an island for 13 days; two people are kidnapped at gunpoint by a hitchhiker.

After 26-year-old rideshare driver Carolina Vargas drives a nice stranger to his hotel, she has no qualms about giving him another ride; her trusting gesture turns tragic and Carolina is forced to fight for her life.

JaRay Wilson texted her mother just minutes before she vanished, and the teen's friends, family and community searched for answers for over a year; someone from JaRay's inner circle later surfaced with shocking details.

The missing and murder rates of Indigenous women are disproportionately higher than any other group, so when beautiful Jalajhia Finklea vanishes the day before her 18th birthday, her Wampanoag tribe members immediately take action.

Successful real estate agent Beverly Carter went missing after showing a home to potential buyers; later that evening, Beverly began texting her husband; how family and friends knew that Beverly was in danger.

When mother-of-two Deanna Cook misses her daily call to her mom, her family worries that Deanna's stalker may have something to do with it; her family's 911 call falls on deaf ears and they are forced to make a discovery.

When 22-year-old Molly Jane Matheson doesn't show up for work, her mother, Tracy, drives to her Fort Worth, Texas, apartment to check on her; Tracy's grim discovery uncovers a string of related crimes that inspire Molly's family to fight for change.

What starts out as an unlikely friendship becomes a deep bond, until a tragic event leads to suspicion and revenge; two people are dead and one is on the way to Death Row.

A popular girl takes a new student under her wing while at a school for at-risk youth in Illinois.

Two Pennsylvania girls grow up as best friends, but things get rocky when they become lovers and a third girl befriends them.

Two best friends turn on each other; a showdown that will end in a gruesome death.

When one best friend falls for the other man's wife, all bets are off.

The stories of seven suspects featured in the first season of "I Killed My BFF."

Two Pennsylvania girls grow up as best friends, but things get rocky when they become lovers and a third girl befriends them.

Two best friends turn on each other; a showdown that will end in a gruesome death.

When one best friend falls for the other man's wife, all bets are off.

The stories of seven suspects featured in the first season of "I Killed My BFF."

What starts out as an unlikely friendship becomes a deep bond, until a tragic event leads to suspicion and revenge; two people are dead and one is on the way to Death Row.

A popular girl takes a new student under her wing while at a school for at-risk youth in Illinois.

Every five seconds there's a victim of identity theft; LifeLock helps alert, restore identity, and reimburse lost funds-leading the way in protecting families every day.

Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

Join Connie Craig-Carrol and health visionary Ken Meares as they uncover OmegaXL, the groundbreaking natural supplement transforming lives by tackling joint pain and inflammation.

Jacuzzi Bath Remodel and interior designer Christina Haack shares how to transform your bathroom into a gorgeous, safe, stylish space in as little as one day.

A man is stranded in the ocean after he gets separated from his dive partner; a woman is robbed by her best friend and brother; a woman is shot and held captive.

The crew of a ferry abandons the boat and its passengers when the vessel begins to sink; a woman is trapped with an attacker for days; a man is attacked by his neighbor.

A passenger is picked to die by hijackers who take control of her EgyptAir flight; a surfer loses half his blood in a shark attack; a young mother is assaulted in front of her 3-year-old son.

A man is attacked by a grizzly bear in a remote forest area; a woman engages in a gun battle with three masked men who invade her home; a woman is assaulted by a man posing as a maintenance worker.

Emergency medical technicians Titus and Dan also act as therapists and counselors as they help steer troubled people back in the right direction.

The New Orleans EMT team treats a motorcycle accident victim in danger of losing a limb, multiple seizure sufferers, a young child with a breathing obstruction, and a perpetrator whose condition makes him a danger to himself and others.

The unexpected reigns in the city of New Orleans as EMS responders answer calls about a child shooting, a multiple-vehicle car accident, a reported suicide attempt, and a veteran struggling with a drug overdose.

Officers Roni and Cooper engage in a foot chase following a stabbing at a nightclub; Fire Rescue's Doug and Stokes try to save the life of a man shot in the throat; the hunt for a carjacker leads Will and Dimitri to the roof of an apartment complex.

Tempers rise and violence swells during a hot, humid evening; police chase two armed carjacking suspects; Keeley tends to a family injured in a car accident; Titus and Dan respond to a call from a former Playboy Bunny.

The first responders work to save the victims of several shootings and a drug overdose; police officers apprehend suspects in possession of illegal firearms.

Suspected drug dealers are hunted by the police; a violent schizophrenic threatens a group of partygoers.

The New Orleans EMTs receive calls from every direction, from gunshot victims to seizures to a moped rider playing Pokemon Go.

The cases get wild on Halloween night; Tony and Dave treat a woman shot in the chest; Will and Dimitri go into detective mode to locate a shooter; Robb and Bethany track a fleeing suspect who believes he can hide in a trash container.

An EMT juggles the joys of family with the pressures of the night shift; a gunshot victim; a motorcyclist hit by a car; a man in custody; a Vietnam veteran with a grisly finger injury.

Air Service backs up Pierre and Jerry during a high-speed car chase through the streets of Tampa; Rush and Benny restrain a combative patient; Stokes and Doug transport a victim of sexual assault; a mother faces a heartbreaking decision.

Police shoot a man; Tony and Dave treat a stabbing victim; Stokes and Mayville work to extinguish a grocery store fire.

The cases get wild on Halloween night; Tony and Dave treat a woman shot in the chest; Will and Dimitri go into detective mode to locate a shooter; Robb and Bethany track a fleeing suspect who believes he can hide in a trash container.

An EMT juggles the joys of family with the pressures of the night shift; a gunshot victim; a motorcyclist hit by a car; a man in custody; a Vietnam veteran with a grisly finger injury.

Air Service backs up Pierre and Jerry during a high-speed car chase through the streets of Tampa; Rush and Benny restrain a combative patient; Stokes and Doug transport a victim of sexual assault; a mother faces a heartbreaking decision.

Police shoot a man; Tony and Dave treat a stabbing victim; Stokes and Mayville work to extinguish a grocery store fire.

Suspected drug dealers are hunted by the police; a violent schizophrenic threatens a group of partygoers.

The New Orleans EMTs receive calls from every direction, from gunshot victims to seizures to a moped rider playing Pokemon Go.

Jacuzzi Bath Remodel and interior designer Christina Haack shares how to transform your bathroom into a gorgeous, safe, stylish space in as little as one day.

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Every five seconds there's a victim of identity theft; LifeLock helps alert, restore identity, and reimburse lost funds-leading the way in protecting families every day.

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The articulate and boastful killer is remembered for terrifying the coastal town of Santa Cruz, where he picked up and dismembered hitchhiking college students in the early 1970s.

In 1989, Richard Mallory is found shot dead in the brush off the side of a Florida highway, just the first of seven murdered men found in a similar setting; their predator is Aileen Wuornos, a woman fleeing from her troubled past.

Known primarily for the murders of University of Florida students, a man's first murders were in his hometown of Shreveport, La.; the man dreamed of having a loving family as an adult, but his dark fantasies drove him to destroy a family instead.

Before he hunted down his first victim in the wilds of Alaska, Robert Hansen was a successful businessman with a family in Anchorage, but his intense feelings would build into a dark desire to exert the ultimate control over 17 victims.

African American women in the Mt. Pleasant neighborhood of Cleveland were vanishing; Anthony Sowell found the control he was so desperate for when he overpowered his first vulnerable victim -- a woman only hoping to connect with a friendly face.

One of the most well-known serial killers, Richard Ramirez terrorized Southern California in the mid-1980s, where anyone could be a target of the sadistic murderer.

Exploring what shaped serial killer Arthur Shawcross' trajectory from "Artie Oddball" to murderer; he might have been known for killing women along Rochester's Genesee River, but his first murder was years earlier.

Someone is killing young African American women in Charlotte, N.C., and the police seem unable to stop it; what the police don't realize is that the cases all have a commonality, which is a connection with Henry Louis Wallace.

In rural Epping, N.H., everyone knows Sheila LaBarre as an eccentric widow who loves her rabbits; her turbulent childhood in Alabama, a coma-induced vision, and the death of her wealthy husband all send Sheila on a warped mission to kill.

Growing up gay and effeminate in the hyper masculine bayou was tough on Ronald Dominique; an inability to connect and a sexual assault in jail may have cemented his decision to kill his first victim, tragically the beginning of years of murder.

A fun night with her boyfriend turned into a nightmare for Holly Dunn, a junior at the University of Kentucky in 1997; somehow, Holly managed to escape her attacker by following railway tracks to a nearby house.

In April of 2016, 16-year-old Madison Nygard walks home from a party in rural Muskegon County, Mich., and takes a ride with a passing stranger.

In September 1975, 14-year-old David McVicker is abducted while hitchhiking home from a friend's house in Garden Grove, Calif.; his assailant, William Bonin, has an appetite for assaulting young men and boys.

Josephina Rivera's life comes to a halt when the 25-year-old is kidnapped by 43-year-old Gary Heidnik; over the next four months, Josephina lives shackled in a basement while her captor abducts four more women to hold hostage in his house of horrors.

Bergen County, N.J., Chief of Detectives Robert Anzilotti elicited murder confessions from a vicious but relatively unknown serial killer, Richard Cottingham, nicknamed the Torso Killer; Anzilotti's mission to tie Cottingham to additional murders.

Bergen County, N.J., Chief of Detectives Robert Anzilotti continues his mission to tie Cottingham to additional murders and to get him to confess to more cold-case homicides.

Bergen County, N.J., Chief of Detectives Robert Anzilotti elicited murder confessions from a vicious but relatively unknown serial killer, Richard Cottingham, nicknamed the Torso Killer; Anzilotti's mission to tie Cottingham to additional murders.

Bergen County, N.J., Chief of Detectives Robert Anzilotti continues his mission to tie Cottingham to additional murders and to get him to confess to more cold-case homicides.

A fun night with her boyfriend turned into a nightmare for Holly Dunn, a junior at the University of Kentucky in 1997; somehow, Holly managed to escape her attacker by following railway tracks to a nearby house.

In April of 2016, 16-year-old Madison Nygard walks home from a party in rural Muskegon County, Mich., and takes a ride with a passing stranger.

In September 1975, 14-year-old David McVicker is abducted while hitchhiking home from a friend's house in Garden Grove, Calif.; his assailant, William Bonin, has an appetite for assaulting young men and boys.

Josephina Rivera's life comes to a halt when the 25-year-old is kidnapped by 43-year-old Gary Heidnik; over the next four months, Josephina lives shackled in a basement while her captor abducts four more women to hold hostage in his house of horrors.

Paid programming.

Discover the hidden story of OmegaXL with John Walsh. He dives deep into the groundbreaking supplement that promises hope and relief for millions battling joint pain and inflammation.

Paid programming.

Every five seconds there's a victim of identity theft; LifeLock helps alert, restore identity, and reimburse lost funds-leading the way in protecting families every day.

Maria Leon commanded a reign of terror in L.A.; the criminal underworld created by her murderous brood of children.

Pistol Pete and his underlings incorporated the gang Sex, Money, Murder in an effort to launder drug money and expanded their operations outside New York.

A pair of powerboat racers who allegedly moved more illegal narcotics than just about anyone in the history of the U.S. War on Drugs.

The Cutt Boyz use violence to control the drug trade within the B.W. Cooper Housing Complex in New Orleans.

Jimmy Burke was one of the most prolific mob earners in New York history.

Tony Spilotro made his name in Chicago's most powerful organized crime family and was given control of the gang's casino interests in Las Vegas.

Gregory Scarpa lived a charmed triple life; mafia hit man, loving father and husband, and secret FBI informant.

John Gotti starts out as the leader of a group of young thugs in his South Bronx neighborhood and works his way up to a leadership position in the Gambino crime family.

Carlos Marcello becomes the mafia boss of New Orleans in 1947 and maintains power for almost four decades.

John Gotti starts out as the leader of a group of young thugs in his South Bronx neighborhood and works his way up to a leadership position in the Gambino crime family.

Six of the most notorious mafia killings of all time and the effects they had on organized crime.

Joey Massino brought the Bonanno mob family back after it was destroyed by the FBI.

John Gotti Jr. attends New York Military Academy as his father rises to power in the world of organized crime; in his 20s, Gotti Jr. becomes a made member of the Gambino crime family.

The FBI focuses on taking down John Gotti; Gotti Jr. becomes the acting boss of the Gambino crime family after his father is convicted and sentenced to life in prison; Gotti Jr. resolves to quit the mob and pursue life as a civilian.

John Gotti Jr. attends New York Military Academy as his father rises to power in the world of organized crime; in his 20s, Gotti Jr. becomes a made member of the Gambino crime family.

The FBI focuses on taking down John Gotti; Gotti Jr. becomes the acting boss of the Gambino crime family after his father is convicted and sentenced to life in prison; Gotti Jr. resolves to quit the mob and pursue life as a civilian.

Six of the most notorious mafia killings of all time and the effects they had on organized crime.

Joey Massino brought the Bonanno mob family back after it was destroyed by the FBI.

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Discover the hidden story of OmegaXL with John Walsh. He dives deep into the groundbreaking supplement that promises hope and relief for millions battling joint pain and inflammation.

Wounded Warrior Project is changing the way our nation cares for veterans and helping them thrive for a lifetime. Join Trace Adkins and Dan Nevins to learn about the journeys of four injured veterans and how no warrior is left behind.

A woman is raped, shot three times and left for dead; a man is caught in a blizzard that threatens to bury him alive; two boys survive a plane crash.

A hitchhiker turns on the two girls who pick him up; three men are stranded on an island for 13 days; two people are kidnapped at gunpoint by a hitchhiker.

The crew of a ferry abandons the boat and its passengers when the vessel begins to sink; a woman is trapped with an attacker for days; a man is attacked by his neighbor.

A woman plays dead after her boyfriend chokes and shoots; a man gets stuck in a frozen stream while snowmobiling; a federal prosecutor is abducted.

Seven volunteer civilians become undercover inmates in an effort to root out crime and corruption in Indiana's Clark County Jail.

The experimental program begins; the first participants include a Marine, a police officer; a teacher and a stay-at-home mother.

Maryum, the eldest daughter of boxer Muhammad Ali, joins the program and fits into F-pod effortlessly; the inmates grow suspicious of Robert; a mistake places Zac in peril; Barbra questions her commitment to the experiment.

Isaiah and Robert worry that their covers may be blown; Capt. Maples follows through with consequences after Robert makes a risky move; Zac hunts for illegal drug use in C-pod; Tami clashes with another inmate.

An unexpected call to court tests Zac's strength as an inmate; Barbra abandons a friendship with Tami in order to survive; a series of catastrophic mistakes endangers Jeff.

The midway point of the experiment approaches; anger rises among the women of F-Pod; an inmate in C-Pod poses a danger to one of the men.

Inmate Ricky attacks Jeff, jeopardizing the program; Zac and Isaiah move from the familiar confines of C-Pod to the more violent D-Pod; Barbra feels betrayed by her F-Pod bunkmates; Robert learns that he will return to general population.